您可以将代码更改为：

<?php
$shortcode = do_shortcode(\'[mingleforum]\');
echo apply_filters(\'my_new_filter\',$shortcode);
?>

add_filter(\'my_new_filter\',\'my_new_filter_callback\');

function my_new_filter_callback($shortcode){
    //to stuff here
    return $shortcode;
}